Physics For Dummies
Chapter One
Understanding Physics
Fundamentals
In This Chapter
* Understanding the concept of physics ... and why it matters
* Mastering measurements (and keeping them straight as you solve equations)
* Accounting for significant digits and possible error
* Brushing up on basic algebra and trig concepts
There you are, working away at a tough, nearly unanswerable physics
problem, seeking a crucial breakthrough. The question is tough, and
you know that legions of others have struggled with it fruitlessly. Suddenly,
illumination strikes, and everything becomes clear.
"Of course," you say. "It's elementary. The ball will rise 9.8 meters into the air
at its highest point."
Shown the correct solution to the problem, a grateful instructor awards you a
nod. You modestly acknowledge the accolade and turn to the next problem.
Not bad.
With physics, the glory awaits you, but you have some hard work waiting for
you, too. Don ... read full excerpt from Physics For Dummies ebook
